Function vrndscaleps 

unsafe extern "C" fn vrndscaleps(
    a: Simd<f32, 16>,
    imm8: i32,
    src: Simd<f32, 16>,
    mask: u16,
    sae: i32,
) -> Simd<f32, 16>

Available on x86 or x86-64 only.